# Service bulletin CBR\-399 202310

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10244808
- Published by NHTSA: 2023\-11\-03
- Manufacturer's number: CBR\-399 202310
- Manufacturer's date: 2023\-10\-19
- NHTSA component: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display \(DID\) \- Model Year 2018 And Newer With New Style Instrument Cluster

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244808-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244808-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Instrument cluster

## Vehicles listed

- 2018 to 2024 MACK ANTHEM \(AN\)
- 2018 MACK CHU
- 2018 MACK CXU
- 2018 to 2024 MACK GRANITE \(GR\)
- 2018 to 2023 MACK GRANITE \(GU\)
- 2018 MACK GU
- 2018 to 2024 MACK LR
- 2018 MACK MRU
- 2018 to 2022 MACK PINNACLE \(CHU\)
- 2018 to 2022 MACK PINNACLE \(CXU\)
- 2018 to 2024 MACK PINNACLE \(PI/PN\)
- 2018 to 2019 MACK TD
- 2019 to 2021 MACK TE
- 2018 to 2019 MACK TERRAPRO \(LEU/MRU\)
- 2018 to 2024 MACK TERRAPRO \(MRU\)
- 2018 MACK TERRAPRO \(TE\)
- 2022 to 2024 MACK TERRAPRO \(TE\)
- 2018 MACK TITAN \(TD\)

## Other bulletins for the same vehicles and component

- [KC\-354](/bulletins/10207268.md), 2022-02-04, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Volvo Chassis \- Certain Volvo Trucks Built After January 11, 2016 May Experience an Issue with the Instrument Cluster Display
- [S7625](/bulletins/10206168.md), 2022-01-07, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. PI0889 Differential Lock Engagement Status Alarm Update \(2nd Release\)
- [K15194127](/bulletins/10152945.md), 2019-02-19, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Mack Chassis \- Fault Code SID 158 FMI 0 Logging In Instrument Cluster \( MID 140, IC \), No Code Description Or Diagnostic Information
- [K93482141](/bulletins/10145531.md), 2018-10-15, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL. Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display \(DID\) \- Model Year 2018 And Newer With New Style Instrument Cluster
- [K95422063](/bulletins/10129931.md), 2018-03-12, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P2459 Lighting The Malfunction Indicator Lamp \( MIL \); Possible Frequent Regeneration Requests \- OBD15 And Newer Chassis
- [K86094641](/bulletins/10129929.md), 2018-03-12, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P226C Intermittently Lighting The Malfunction Indicator Lamp \( MIL \) \- OBD15 And OBD16 Conventional Chassis.Updated to reflect release of FSB284\-064 \(Above\)
- [K42708399](/bulletins/10129920.md), 2018-03-12, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Diagnostic Trouble Code \( DTC \) P0422 Lighting The Malfunction Indicator Light \( MIL \) \- OBD15 And OBD16 Chassis \(Non\-Common Rail\).Updated to reflect release of FSB284\-064 \(Above\)

JSON: [/v1/bulletins/10244808](/v1/bulletins/10244808)

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